This handy tool closes the first stage of a mechanical lock standing seam. Usable on both 1 and 1 1/2" seam height, horizontally and vertically.

• Painted powder-coated finish, provides durability and longevity
• Capacity of 24 gauge common materials, 20oz copper, 1mm zinc
• Easy closing of vertical as well as horizontal seams to be locked
• Works on both 1” and 1 1/2” high-standing seams
• Intended for use on seams 1/2” across, and 3/8” on the down leg